From 52c2fd4521d33616514dc2a43ad1ee432ce16275 Mon Sep 17 00:00:00 2001
From: Loic Guegan <manzerbredes@mailbox.org>
Date: Sun, 15 Jan 2023 08:26:49 +0100
Subject: Debug PGN parsing from a string. Add the ParseSANMoves() function.
 Add a new tests set

---
 src/LargeFileStream.cpp | 3 ++-
 src/PGN.cpp             | 9 +++++++++
 src/PGN.hpp             | 8 ++++++++
 3 files changed, 19 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/LargeFileStream.cpp b/src/LargeFileStream.cpp
index 3ae1ce2..099c013 100644
--- a/src/LargeFileStream.cpp
+++ b/src/LargeFileStream.cpp
@@ -37,8 +37,9 @@ char LargeFileStream::operator[](loctype loc) {
   if (use_string) {
     if (loc >= content.size()) {
       eof = true;
+      return ('?');
     }
-    return ('?');
+    return (content[loc]);
   }
 
   // Goto the right memory chuck
diff --git a/src/PGN.cpp b/src/PGN.cpp
index 96346e8..c0c80e3 100644
--- a/src/PGN.cpp
+++ b/src/PGN.cpp
@@ -410,4 +410,13 @@ loctype PGN::GotoEOL(loctype loc) {
   }
 }
 
+void ParseSANMoves(const std::string &sequence,HalfMove *moves) {
+  PGN parser;
+  // Note that PGN need a results (* at the end)
+  // Otherwise an InvalidGameResult exception is raised
+  parser.FromString(sequence+" *");
+  parser.ParseNextGame();
+  parser.GetMoves(moves);
+}
+
 } // namespace pgnp
\ No newline at end of file
diff --git a/src/PGN.hpp b/src/PGN.hpp
index d313f91..d7bc429 100644
--- a/src/PGN.hpp
+++ b/src/PGN.hpp
@@ -102,4 +102,12 @@ struct STRCheckFailed : public std::exception {
   }
 };
 
+/**
+ * @brief Parse a simple sequence of SAN moves
+ *
+ * @param sequence e.g: 1.e4 e5 2.Nf3
+ * @param moves Returned moves sequence
+ */
+void ParseSANMoves(const std::string &sequence,HalfMove *moves);
+
 } // namespace pgnp
-- 
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